init: Euro-Office Odoo 16.0 modules

Based on onlyoffice_odoo by Ascensio System SIA (ONLYOFFICE, LGPL-3).
Rebranded and adapted for Euro-Office by bring.out d.o.o.

Modules:
- eurooffice_odoo: base integration
- eurooffice_odoo_templates: document templates
- eurooffice_odoo_oca_dms: OCA DMS integration (replaces Enterprise documents)

All references renamed: onlyoffice -> eurooffice, ONLYOFFICE -> Euro-Office.
Original copyright notices preserved.

odoo-bringout-eurooffice-eurooffice_odoo/eurooffice_odoo/utils/url_utils.py

@@ -0,0 +1,14 @@
+import logging
+
+from odoo.addons.eurooffice_odoo.utils import config_utils
+
+_logger = logging.getLogger(__name__)
+
+
+def replace_public_url_to_internal(env, url):
+    public_url = config_utils.get_doc_server_public_url(env)
+    inner_url = config_utils.get_doc_server_inner_url(env)
+    if inner_url and inner_url != public_url:
+        _logger.info("Replace public url %s to internal url %s", public_url, inner_url)
+        url = url.replace(public_url, inner_url)
+    return url